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为什么我的LM2596输出抖动如此大

Other Parts Discussed in Thread: LM2596

网友  大钟看台 在21ic 电源技术 论坛问以下问题:

http://bbs.21ic.com/icview-607475-1-1.html

上面是波形图,下面是电路图(是输出5v的LM2596),唯一变的是电容用了两个470uF的电解电容(因为不懂定量分析容量,按以前的经验)